/*
* lftp - file transfer program
*
* Copyright (c) 1996-2012 by Alexander V. Lukyanov (lav@yars.free.net)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
#include
#include "Cache.h"
void Cache::Trim()
{
long sizelimit=res_max_size->Query(0);
long size=0;
CacheEntry **scan=&chain;
while(scan[0])
{
if(scan[0]->Stopped())
delete replace_value(scan[0],scan[0]->next);
else
{
size+=scan[0]->EstimateSize();
scan=&scan[0]->next;
}
}
// printf("Cache::Trim size=%ld, limit=%ld\n",size,sizelimit);
while(chain && size>sizelimit)
{
size-=chain->EstimateSize();
delete replace_value(chain,chain->next);
}
}
void Cache::Flush()
{
while(chain)
delete replace_value(chain,chain->next);
}
CacheEntry *Cache::IterateFirst()
{
curr=&chain;
return *curr;
}
CacheEntry *Cache::IterateNext()
{
curr=&curr[0]->next;
return *curr;
}
CacheEntry *Cache::IterateDelete()
{
delete replace_value(curr[0],curr[0]->next);
return *curr;
}